drm/i915: Defer application of request banning to submission

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As we currently do not check on submission whether the context is banned
in a timely manner it is possible for some requests to escape
cancellation after their parent context is banned. By moving the ban
into the request submission under the engine->timeline.lock, we
serialise it with the reset and setting of the context ban.

References: eb8d0f5af4 ("drm/i915: Remove GPU reset dependence on struct_mutex")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190213182737.12695-1-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>

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This commit is contained in:

Chris Wilson 2019-02-13 18:27:37 +00:00

parent c836eb79c0

commit d9e61b66a5

2 changed files with 8 additions and 14 deletions

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3

drivers/gpu/drm/i915/i915_request.c

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19

drivers/gpu/drm/i915/i915_reset.c

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